براغي رأس كبس M6-1 × 15 مم | رأس مسطح بمحرك سداسي | ملولبة بالكامل | فولاذ سبائكي كلاس 10.9 أكسيد أسود حراري (600 / عبوة)

Installed a few dozen into a fixture this morning and the hex socket drive took the torque without stripping — always a worry with cheaper socket screws. Full threads let me get the grip I needed in a tapped hole.

The black oxide finish on these screws feels tough and consistent across all 600 pieces, which saved me time sorting through a batch for a jig build. They seated cleanly into my tooling with no stripping at the hex drive, even under moderate torque. A solid buy for precision work without breaking th

Ordered these for some fixture work and the black oxide finish is honestly nicer than the plated ones I've used before. The hex socket bites cleanly every time, and for 600 pieces the Class 10.9 steel is a solid value. Took a chance on the bulk price and I'm glad I did.